ICO is an image format introduced in 1985 with Windows 1.0 for icon representation. It's commonly used for website favicons, Windows desktop icons, application shortcuts.

Will converting ICO to PNG reduce quality?

Both formats use lossless compression. Quality is preserved.

Is this conversion reversible?

Yes — ICO and PNG are both lossless, so you can convert back and forth without quality loss.

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Convert ICO to PNG

ICO to PNG

PNG to ICO

Convert ICO images to PNG for free. Convert with no quality loss. No signup, instant download.

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About ICO to PNG conversion

ICO is introduced in 1985 with Windows 1.0 for icon representation and is the universal standard for browser favicons and desktop icons for website favicons, Windows desktop icons. PNG was created by PNG Development Group in 1996 and is best for logos, screenshots. Converting ICO to PNG gives you a file that works in the tools and platforms where PNG is required. ICO files can be a problem when their support is limited — converting to PNG solves compatibility issues.

Also available: PNG to ICO Converter

ICO vs PNG: at a glance

Property	ICO	PNG
Compression	lossless	lossless
Transparency	Yes	Yes
Animation	No	No
Color depth	up to 32-bit (RGBA)	up to 48-bit
Created by	Microsoft	PNG Development Group
Introduced	1985	1996
Best for	website favicons, Windows desktop icons, application shortcuts	logos, screenshots, web graphics, icons

Both ICO and PNG use lossless compression, so no image data is lost during conversion. ICO files are typically larger, while PNG offers broader compatibility.